<template>
  <div>
    <h3>用户列表组件</h3>
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{path:'/home'}">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>

      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" icon="el-icon-delete" size="mini"></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>

    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%">
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>

        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>

        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>

        <el-form-item label="电话" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible=false">取消</el-button>
        <el-button type="primary" @click="addUser">确定</el-button>
      </span>
    </el-dialog>
    
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <!-- 对话框主体区域 -->
<el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
    <el-form-item label="用户名">
        <el-input v-model="editForm.username" disabled></el-input>
    </el-form-item>
    <el-form-item label="邮箱" prop="email">
        <el-input v-model="editForm.email"></el-input>
    </el-form-item>
    <el-form-item label="电话" prop="mobile">
        <el-input v-model="editForm.mobile"></el-input>
    </el-form-item>
</el-form>
<span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible=false">取消</el-button>
        <el-button type="primary" @click="editUser">确定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^\w+@\w+(\.\w+)+$/;
      if (regEmail.test(value)) {
        return cb();
      }
      cb(new Error("请输入合法的邮箱"));
    };

    var checkMobile = (rule, value, cb) => {
      const regMobile = /^1[34578]\d{9}$/;
      if (regMobile.test(value)) {
        return cb();
      }
      cb(new Error("请输入合法的手机号码"));
    };

    return {
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 2
      },
      userList: [],
      total: 0,
      addDialogVisible: false,
      editDialogVisible: false,
      editForm: {
        username: '',
        email: '',
        mobile: ''
      },
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: ""
      },
      editFormRules : {
        email: [
        { required: true, message: '请输入邮箱', trigger: 'blur' },
        {
        validator: checkEmail,
        message: '邮箱格式不正确，请重新输入',
        trigger: 'blur'
        }
    ],
    mobile: [
        { required: true, message: '请输入手机号码', trigger: 'blur' },
        {
        validator: checkMobile,
        message: '手机号码不正确，请重新输入',
        trigger: 'blur'
        }
    ]
      },
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名称", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "用户名在3~10个字符之间",
            trigger: "blur"
          }
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "用户名在6~15个字符之间",
            trigger: "blur"
          }
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          {
            validator: checkEmail,
            message: "邮箱格式不正确，请重新输入",
            trigger: "blur"
          }
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          {
            validator: checkMobile,
            message: "手机号码不正确，请重新输入",
            trigger: "blur"
          }
        ]
      }
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户列表失败");
      }
      this.userList = res.data.users;
      this.total = res.data.total;
    },
    // 监听 pagesize 改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    // 监听 页码值 改变的事件
    handleCurrentChange(newPage) {
      console.log(newPage);
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    async userStateChanged(row) {
      const { data, res } = await this.$http.put(
        `users/${row.id}/state/${row.mg_state}`
      );
      if (res.meta.status !== 200) {
        row.mg_state = !row.mg_state;
        return this.$message.error("修改状态失败");
      }
      this.$message.success("更新状态成功");
    },
    addUser(){
      this.$refs.addFormRef.validate( async valid => {
        if(!valid) return this.$message.error('请填写完整用户信息')
        const {data:res} = await this.$http.post('users',this.addForm)
        if(res.meta.status !== 201){
          return this.$message.error('添加用户失败')
        }
        this.$message.success("添加用户成功")
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    async showEditDialog(id){
      const {data:res} = await this.$http.get('users/' + id)
      if (res.meta.status != 200) return this.$message.error('获取用户失败')
      this.editForm = res.data
      this.editDialogVisible = true
    },
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    editUser(){
      this.$refs.editFormRef.validate(async valid => {
        if(!valid) return this.$message.error('请填写完完整的用户信息')
        const { data:res } = await this.$http.put('users/'+this.editForm.id,this.editForm)
        if(res.meta.status != 200) return this.$message.error('修改用户失败')
        this.$message.success('修改用户成功')
        this.editDialogVisible = false;
        this.getUserList()
      })
    },
    async removeUserById(id){
      const confimResult = await this.$confirm('请问是否永久删除该用户','删除提示',{
        confirmButtonText:'确认删除',
        cancelButtonText: '取消',
        type:'warning'
      }).catch(err => err)
      if(confimResult != 'confirm'){
        return this.$message.info('已经取消删除')
      }
      const {data : res} = await this.$http.delete('users/'+id)
      if(res.meta.status !== 200) return this.$message.error('删除用户失败')
      this.$message.success('删除用户成功')
      this.getUserList()
    }
  }
};
</script>
<style lang="less" scoped>
</style>